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Investigating Cyber Security Awareness Among Preservice Teachers During the COVID-19 Pandemic 18th

Investigating Cyber Security Awareness Among Preservice Teac...

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18th European, Mediterranean, and Middle Eastern Conference on information Systems (EMCIS)

作者： Moyo, Moses Sadeck, Osman Tunjera, Nyarai Chigona, Agnes Cape Peninsula Univ Technol Cape Town South Africa

ISBN: (纸本)9783030959470;9783030959463

South African institutions of higher education suffered serious disruptions during the COVID-19 pandemic which, resulted in migrating most teaching and learning activities to various online platforms, of which many depended on the open web. This has the potential to expose lecturers and students to cyber security threats and risks. As such cyber security awareness (CSA) becomes important. This study investigated the CSA among preservice teachers pursuing a Bachelor of Education studies in Further Education and Training (FET) at a university in Cape Town, South Africa. The purpose of the study was to gain an insight into CSA among preservice teachers who had been using digital technologies to support learning during the COVID-19 pandemic. An electronic questionnaire was administered to a random sample of 300 preservice teachers. The findings show that preservice teachers were limited in their awareness of cyber security threats and risks likely to affect their use of various digital technologies for remote learning. Furthermore, preservice teachers implemented basic strategies to mitigate basic cyber security threats and attacks. These basic strategies were found not to be sufficient for advanced attacks. The study concluded that lack of proper CSA and knowledge among preservice teachers presented them with challenges in solving threat attacks associated with denial-of-service (DoS), data theft and phishing when using personal digital devices.

关键词： Cybersecurity

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Health is Wealth: A Conceptual Overview of Virtual Healthcare & Future Research Directions [1995-2021] 18th

Health is Wealth: A Conceptual Overview of Virtual Healthcar...

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18th European, Mediterranean, and Middle Eastern Conference on information Systems (EMCIS)

作者： Watat, Josue Kuika Agbozo, Ebenezer Adewale, Sunday Olaleye Jonathan, Gideon Mekonnen Univ Oslo HISP Ctr Ole Johan Dahls Hus Gaustadalleen 23B N-0373 Oslo Norway Univ Oslo Dept Informat Ole Johan Dahls Hus Gaustadalleen 23B N-0373 Oslo Norway Ural Fed Univ Ekaterinburg Russia JAMK Univ Appl Sci Sch Business Rajakatu 35 Jyvaskyla 40100 Finland Stockholm Univ Stockholm Sweden

ISBN: (纸本)9783030959470;9783030959463

The appearance of pandemics of various kinds that have shaken the world and transformed health paradigms has led many organizations and states to review their health strategies to ensure sustainable assistance to the population. Organizations are turning more towards a sustainable digital transformation, which considers multiple dimensions, including health. This study presents a topic-oriented mapping of a range of conceptual and practice-based efforts and strategies implemented in the virtual health paradigm. The systematic literature review conducted since the first insights in 1995 reveals the eagerness related to the digital transformation of health care and the popularization of digital health strategies. The resolutions of our study will enrich the emerging literature on virtual health in a wide range of settings.

关键词： Virtual HealthCare Covid19 Artificial intelligence information systems Bibliometric

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Automated Code Review Comment Classification to Improve Modern Code Reviews 14th

Automated Code Review Comment Classification to Improve Mode...

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14th International Conference on Software Quality (SWQD)

作者： Ochodek, Miroslaw Staron, Miroslaw Meding, Wilhelm Soder, Ola Poznan Univ Tech Comp Sci Poznan Poland Chalmers Univ Gothenburg Comp Sci & Engn Gothenburg Sweden Ericsson AB Stockholm Sweden Axis Commun Lund Sweden

ISBN: (纸本)9783031041150;9783031041143

Modern Code Reviews (MCRs) are a widely-used quality assurance mechanism in continuous integration and deployment. Unfortunately, in medium and large projects, the number of changes that need to be integrated, and consequently the number of comments triggered during MCRs could be overwhelming. Therefore, there is a need for quickly recognizing which comments are concerning issues that need prompt attention to guide the focus of the code authors, reviewers, and quality managers. The goal of this study is to design a method for automated classification of review comments to identify the needed change faster and with higher accuracy. We conduct a Design Science Research study on three open-source systems. We designed a method (Comment-BERT) for automated classification of the code-review comments based on the BERT (Bidirectional Encoder Representations from Transformers) language model and a new taxonomy of comments. When applied to 2,672 comments from Wireshark, The Mono Framework, and Open Network Automation Platform (ONAP) projects, the method achieved accuracy, measured using Matthews Correlation Coefficient, of 0.46-0.82 (Wireshark), 0.12-0.8 (ONAP), and 0.48-0.85 (Mono). Based on the results, we conclude that the proposed method seems promising and could be potentially used to build machine-learning-based tools to support MCRs as long as there is a sufficient number of historical code-review comments to train the model.

关键词： Modern Code Reviews Machine learning BERT

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Evaluation of Taxi Service with Regard to the Drivers Income Using Simulation Support 23rd

Evaluation of Taxi Service with Regard to the Drivers Income...

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23rd International Conference on Enterprise information Systems (ICEIS)

作者： Brizzi, Andre S. Pasin, Marcia Univ Fed Santa Maria Santa Maria RS Brazil

ISBN: (纸本)9783031089657;9783031089640

Taxi is a popular service in many cities and tends to improve mobility without being the costumer directly charged by the vehicle maintenance. A company or a self-employed person (i.e., the taxi driver) is the one in charge with vehicle maintenance, fuel payment, insurance, etc. The taxi service request is mainly made through mobile applications, where costumers select payment method, origin and destination, and an information system, aware of the taxi and costumer locations, associates the closest taxi to the customer request. Typically, this service is analyzed from the costumer side mainly looking for travel time and fare reductions. There is a lack of research that investigates the taxi drivers side. In this work, we evaluate the taxi service from the taxi drivers point of view. We have already published part of this study with the focus on the taxi driver income on previous work and here we extended the research to assess other features such as the impact of the vehicle type engine (electric, ethanol, gasoline and CNG) in taxi drivers income and expenses, the percentage of the fleet occupation given different service demand, and the difference between traveled occupied distance and total distance. Given a demand and costs, a simulation is proposed to detail and evaluate the appropriate balance between drivers income and demand scheme to keep the service viable to the drivers. Simulation was conducted with the support of SUMO traffic simulator using as scenario, a medium-sized city in Southern Brazil. Based on literature, city hall documentation and Internet news, input values were chosen to make the simulation as realistic as possible. As conclusion, we found that the city town hall must define a maximum number of taxi licenses for feasible taxi service. The vehicle type with regard to energy source has a major impact in the taxi driver's profit. Despite of high acquisition cost, electric vehicles have a lower cost per km driven in comparison to other vehicles.

关键词： Taxi service Driver's profit Fleet management

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Sustainable Robo-Advisor Bot and Investment Advice-Taking Behavior 14th

Sustainable Robo-Advisor Bot and Investment Advice-Taking Be...

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14th PLAIS EuroSymposium on Digital Transformation (PLAIS)

作者： Kobets, Vitaliy Petrov, Oleksandr Koval, Svitlana Kherson State Univ 27Univ St UA-73003 Kherson Ukraine Kherson State Agrarian & Econ Univ 23Stritenskaya St UA-73006 Kherson Ukraine

ISBN: (纸本)9783031230110;9783031230127

One of the main reasons why people use robo-advisors is that the traditional financial instruments (e.g. deposits, bonds) will promise zero returns in the near future. Robo-advisors using built-in algorithms to determine the assets of investment portfolios for short-run and long-run periods will be one of the promising options for the investor to obtain income in order to achieve his/her goals. Live Trading bots will be able to provide substantial passive in-come for investors, that is an attractive alternative, compared to the advice of traditional human advisors. The goal of this paper is to develop a robo-advisor bot to make investment decisions in order to choose the best financial instruments considering risk-return criterion using different investment strategies. The paper deals with the models of robo-advisor bot for different risk attitudes of investors. Each investor can choose among different investment strategies, such as buy-and-hold strategy, moving average strategy, relative strength index strategy, support and resistance strategy with different performance measures. All strategies dealing with risk-return criterion for precious metals demonstrate the greatest efficiency for risk-averse investors. RSI (relative strength index), buy-and-hold strategies are also effective for Netflix shares. Oil and cryptocurrencies are most appropriate for different strategies of risk-seeking investors. Tesla stock is the most appropriate for risk-neutral investors under definite period.

关键词： Robo-advisor bot Risk-return criterion Investment strategy Financial instruments

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Historization of Enterprise Architecture Models via Enterprise Architecture Knowledge Graphs 15th

Historization of Enterprise Architecture Models via Enterpri...

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15th IFIP WG 8.1 Working Conference on the Practice of Enterprise Modelling (PoEM)

作者： Bratfors, Robin Hacks, Simon Bork, Dominik KTH Royal Inst Technol Stockholm Sweden Univ Southern Denmark Odense Denmark TU Wien Business Informat Grp Vienna Austria

ISBN: (纸本)9783031214875;9783031214882

Enterprise Architecture (EA) is the discipline that aims to provide a holistic view of the enterprise by explicating business and IT alignment from the perspectives of high-level corporate strategy down to daily operations and network infrastructures. EAs are consequently complex as they compose and integrate many aspects on different architecture layers. A recent proposal to cope with this complexity and to make EAs amenable to automated and intuitive visual analysis is the transformation of EA models into EA Knowledge Graphs. A remaining limitation of these approaches is that they perceive the EA to be static, i.e., they represent and analyze EAs at a single point in time. In the paper at hand, we introduce a historization concept, a prototypical implementation, and a performance analysis for how EAs can be represented and processed to enable the analysis of their evolution.

关键词： Enterprise architecture Historical analysis Knowledge graph

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Agility in Software 2.0-Notebook Interfaces and MLOps with Buttresses and Rebars 6th

Agility in Software 2.0-Notebook Interfaces and MLOps with B...

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6th International Conference on Lean and Agile Software Development (LASD)

作者： Borg, Markus RISE Res Inst Sweden Lund Sweden Lund Univ Dept Comp Sci Lund Sweden

ISBN: (纸本)9783030942380;9783030942373

Artificial intelligence through machine learning is increasingly used in the digital society. Solutions based on machine learning bring both great opportunities, thus coined "Software 2.0," but also great challenges for the engineering community to tackle. Due to the experimental approach used by data scientists when developing machine learning models, agility is an essential characteristic. In this keynote address, we discuss two contemporary development phenomena that are fundamental in machine learning development, i.e., notebook interfaces and MLOps. First, we present a solution that can remedy some of the intrinsic weaknesses of working in notebooks by supporting easy transitions to integrated development environments. Second, we propose reinforced engineering of AI systems by introducing metaphorical buttresses and rebars in the MLOps context. Machine learning-based solutions are dynamic in nature, and we argue that reinforced continuous engineering is required to quality assure the trustworthy AI systems of tomorrow.

关键词： Machine learning

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Understanding Leadership in Agile Software Development Teams: Who and How? 23rd

Understanding Leadership in Agile Software Development Teams...

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23rd International Conference on Agile Software Development (XP)

作者： Weichbrodt, Johann Kropp, Martin Biddle, Robert Gregory, Peggy Anslow, Craig Buhler, Ursina Maria Mateescu, Magdalena Meier, Andreas Univ Appl Sci & Arts Northwestern Switzerland Olten Switzerland Univ Appl Sci & Arts Northwestern Switzerland Windisch Switzerland Carleton Univ Ottawa ON Canada Univ Cent Lancashire Preston Lancs England Victoria Univ Wellington Wellington New Zealand Zurich Univ Appl Sci Winterthur Switzerland

ISBN: (纸本)9783031081699;9783031081682

The principles in the Agile Manifesto, the Scrum Guide and most other approaches to agile software development emphasize self-organizing teams, but rarely address issues of leadership. In this paper we report on a study of the nature of different aspects of leadership in agile teams. We used an established model of leadership, distinguishing transactional and transformational styles, and asked IT professionals a set of questions about the leadership they experience, both from direct supervisors (hierarchical leadership) and from the team itself (shared leadership). We determined correlation measures of these four types of leadership with the extent of agility in the whole organization. Our results show that agility is indeed related to the transformational style, but that the transactional style also plays a part, especially as shared leadership. Furthermore, even in highly agile software development, leadership by direct supervisors still plays an important role. We propose that, as software development becomes more agile, the transactional aspects of leadership may shift away from the leadership dyad between supervisor and employee into the agile team, while transformational leadership is important for both the team and supervisors. We discuss our results in light of applications for both research and practice.

关键词： Leadership Agile software development Shared leadership Transactional leadership Transformational leadership

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Barriers to Implementing Big Data Analytics in Auditing 14th

Barriers to Implementing Big Data Analytics in Auditing

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14th PLAIS EuroSymposium on Digital Transformation (PLAIS)

作者： Da Silva, Vitoria Viana Oliveira, Selma Fluminense Fed Univ Volta Redonda RJ Brazil

ISBN: (纸本)9783031230110;9783031230127

Big data analytics (BDA) is increasingly becoming a critical component of the business decision-making process. The purpose of this study is to highlight the barriers/inhibitors in the implementation of an BDA. The interest of researchers and practitioners in the subject is growing. However, the body of empirical research on the main barriers in the implementation of a BDA in the field of auditing is still an underexplored topic. The research in question has as main objective to address the main inhibitors (barriers) for the implementation of an analytical big data in the audit. Based on prestigious literature;the main points of difficulties in the implementation of a BDA system were raised. Using a Likert-type scalar matrix, data from Audit professionals in Brazil were collected. The results indicated that the main barriers in the implementation of the BDA concern the dynamic and digital capabilities of organizations. On the other hand, big data analytics capabilities are not significant in most of its dimensions. The main contributions of this study are: (a) it identifies the main barriers/inhibitors in the implementation of a BDA in the field of auditing in Brazil;(b) serves as a guide for managers in their decision making in choosing resources to implement BDA;(c) this research is original and fills a gap in the literature on big data management. Therefore, it advances the body of knowledge on BDA implementation inhibitors.

关键词： Auditing Analytical Big Data Barriers/Inhibitors

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Ontological Analysis and Redesign of Security Modeling in ArchiMate 15th

Ontological Analysis and Redesign of Security Modeling in Ar...

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15th IFIP WG 8.1 Working Conference on the Practice of Enterprise Modelling (PoEM)

作者： Oliveira, Italo Sales, Tiago Prince Almeida, Joao Paulo A. Baratella, Riccardo Fumagalli, Mattia Guizzardi, Giancarlo Free Univ Bozen Bolzano Conceptual & Cognit Modeling Res Grp CORE Bolzano Italy Univ Fed Espirito Santo Ontol & Conceptual Modeling Res Grp NEMO Vitoria Brazil Univ Twente Serv Cybersecur Grp Enschede Netherlands

ISBN: (纸本)9783031214875;9783031214882

Enterprise Risk Management and security have become a fundamental part of Enterprise Architecture, so several frameworks and modeling languages have been designed to support the activities associated with these areas. ArchiMate's Risk and Security Overlay is one of such proposals, endorsed by The Open Group. We investigate the capabilities of the proposed security-related constructs in ArchiMate with regard to the necessities of enterprise security modeling. Our analysis relies on a well-founded reference ontology of security to uncover ambiguity, missing modeling elements, and other deficiencies of the security modeling capabilities in ArchiMate. Based on this ontologically-founded analysis, we propose a redesign of security aspects of ArchiMate to overcome its original limitations.

关键词： Security modeling Enterprise architecture ArchiMate Ontological analysis Unified foundational ontology

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